00753nam0-22002771i-450-990003045570403321000304557FED01000304557(Aleph)000304557FED0100030455720000920d--------km-y0itay50------baitaITDemographic Change and Public Assistance ExpendituresRobert A. MoffittWorking paper seriesNBER6995F/3.12M/4.3Moffitt,Robert A.ITUNINARICAUNIMARCBK990003045570403321PaperSESSESDemographic Change and Public Assistance Expenditures462509UNINAING01